[THIN] Re: PNAgent and Load Balacing

  • From: "Rick Mack" <Rick.Mack@xxxxxxxxxxxxxx>
  • To: <thin@xxxxxxxxxxxxx>
  • Date: Tue, 14 Nov 2006 21:55:10 +1000

Hi Angela,
 
Things are working as designed. It's called session sharing.
 
The basic idea is that the startup overhead (load user profile, group policies 
etc) for a published application is greatly reduced if subsequent published app 
instances are started on a server already hosting one of your application 
sessions. That's why the first published app startup is slow and subsequent 
ones are a lot faster.
 
You can disable session sharing, but I wouldn't. It'd just slow everything down 
quite a lot and the incidence of corrupted profiles would go up quite a bit.
 
regards,
 
Rick
 
Ulrich Mack 
Volante Systems, a division of Commander


________________________________

From: thin-bounce@xxxxxxxxxxxxx on behalf of Angela Smith
Sent: Tue 14/11/2006 21:48
To: thin@xxxxxxxxxxxxx
Subject: [THIN] PNAgent and Load Balacing



Hi again

Has anyone seen an issue where if a user opens an app from Server 1, all
subsequent apps are launched from server 1 even though it may be published
on 15 servers.  The load balancer appears to be working  in that the user
load appears to be even across the farm but no users use multiple servers
(they always run different apps from the 1 host).

We use PNAgent to connect to the farm (Presentation Server 4 R02).  I
couldn't find any settings where you can say use the same server for all
apps.  Im concerned the load balancer is not working as it should.  I always
thought, subsequent connections would go to the least loaded server
regardless of what Host provided the first application.

Thanks
Ang

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